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Cheap flights from Boston to Ontario (BOS - ONT) from $124

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOS — ONT
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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The best prices from Boston Logan Intl to Ontario are usually found in September or January, booked 47 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap flight deals from Boston to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 2, 2024.

Popular in

June

Cheapest in

September

Average price

$517

Round-trip from

$238
High demand for flights, 19% potential price rise
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Best time to find cheap flights, 29% potential price drop
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Average for round-trip flights in June 2024
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From Boston Logan Intl to Ontario
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What is the cheapest day to fly round-trip from Boston to Ontario?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 41% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Boston to Ontario?

To save on the cost of your flight from Boston to Ontario, book at least 36 days before your planned departure. Booking around this time can save you about 45% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $404 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $508.

What is the cheapest month to fly from Boston to Ontario?

Flights from Boston to Ontario lean towards being more expensive in June. Prices are generally better when you fly from Boston to Ontario in September, with the cheapest ticket starting at $109.

What is the cheapest time of day to fly from BOS to ONT?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 26% on flights from Boston to Ontario by exploring options for tickets in the evening.

Cheap JetBlue flights from Boston to Ontario

Explore cheap flight options specifically provided by JetBlue for the route between Boston and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
Find some of the cheapest JetBlue flights traveling from Boston to Ontario. Make sure to double check the flight details before booking.
Thu 9/121:10 pmBOS - ONT
1 stop12h 11mJetBlue
Tue 9/1711:36 pmONT - BOS
1 stop10h 37mJetBlue
Deal found 6/1$248
Thu 7/112:28 pmBOS - ONT
1 stop11h 10mJetBlue
Mon 7/1511:59 pmONT - BOS
1 stop9h 52mJetBlue
Deal found 6/1$274
Thu 7/182:28 pmBOS - ONT
1 stop11h 10mJetBlue
Sat 7/2711:47 pmONT - BOS
1 stop10h 04mJetBlue
Deal found 6/2$275
Thu 7/112:28 pmBOS - ONT
1 stop11h 10mJetBlue
Sun 7/1411:59 pmONT - BOS
1 stop9h 52mJetBlue
Deal found 6/1$300
Tue 7/162:28 pmBOS - ONT
1 stop11h 10mJetBlue
Mon 7/2211:47 pmONT - BOS
1 stop10h 04mJetBlue
Deal found 6/2$319
Mon 7/12:40 pmBOS - ONT
1 stop10h 58mJetBlue
Mon 7/811:59 pmONT - BOS
1 stop9h 52mJetBlue
Deal found 6/1$345
Thu 7/252:39 pmBOS - ONT
1 stop10h 53mJetBlue
Tue 7/3011:47 pmONT - BOS
1 stop10h 04mJetBlue
Deal found 6/1$365
Sat 6/152:40 pmBOS - ONT
1 stop10h 58mJetBlue
Mon 6/1711:59 pmONT - BOS
1 stop9h 50mJetBlue
Deal found 6/1$390
Fri 7/193:09 pmBOS - ONT
1 stop10h 29mJetBlue
Wed 7/2411:47 pmONT - BOS
1 stop10h 04mJetBlue
Deal found 6/2$391

Cheap American Airlines flights from Boston to Ontario

Explore cheap flight options specifically provided by American Airlines for the route between Boston and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
Some of the lowest-priced American Airlines flights we've found at this time heading from Boston to Ontario. Deals are refreshing constantly so come back soon for more options.
Tue 8/205:55 amBOS - ONT
1 stop10h 50mAmerican Airlines
Tue 8/2710:46 amONT - BOS
2 stops10h 07mAmerican Airlines
Deal found 6/1$291
Tue 8/204:55 pmBOS - ONT
2 stops10h 03mAmerican Airlines
Tue 8/2710:46 amONT - BOS
2 stops10h 07mAmerican Airlines
Deal found 6/1$296
Sat 6/155:10 pmBOS - ONT
1 stop7h 30mAmerican Airlines
Wed 6/197:26 pmONT - BOS
2 stops9h 59mAmerican Airlines
Deal found 6/1$366
Fri 8/305:19 pmBOS - ONT
1 stop7h 21mAmerican Airlines
Mon 9/210:30 pmONT - BOS
1 stop7h 46mAmerican Airlines
Deal found 6/1$376
Fri 8/305:15 amBOS - ONT
2 stops9h 38mAmerican Airlines
Mon 9/211:59 pmONT - BOS
1 stop8h 46mAmerican Airlines
Deal found 6/1$381
Tue 7/165:18 pmBOS - ONT
1 stop7h 22mAmerican Airlines
Tue 7/237:18 pmONT - BOS
2 stops10h 04mAmerican Airlines
Deal found 6/2$412
Sat 6/155:10 pmBOS - ONT
1 stop7h 30mAmerican Airlines
Wed 6/1910:45 pmONT - BOS
1 stop7h 42mAmerican Airlines
Deal found 6/1$431
Thu 6/131:08 pmBOS - ONT
1 stop8h 29mAmerican Airlines
Mon 6/177:26 pmONT - BOS
2 stops9h 59mAmerican Airlines
Deal found 6/1$436
Thu 6/138:29 amBOS - ONT
2 stops10h 22mAmerican Airlines
Mon 6/177:26 pmONT - BOS
2 stops9h 59mAmerican Airlines
Deal found 6/1$441

Cheap Boston to Ontario flights in June & July 2024

Find cheap flight options from Boston to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,807,690 searches. Prices were last updated on June 2, 2024.
These are some of the best deals we've found on flights to Ontario in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 6/155:10 pmBOS - ONT
1 stop7h 30mAmerican Airlines
Wed 6/197:26 pmONT - BOS
2 stops9h 59mAmerican Airlines
Deal found 6/1$366
Sat 6/152:40 pmBOS - ONT
1 stop10h 58mJetBlue
Mon 6/1711:59 pmONT - BOS
1 stop9h 50mJetBlue
Deal found 6/1$390
Sat 6/85:30 pmBOS - ONT
1 stop9h 28mAlaska Airlines
Sat 6/158:20 pmONT - BOS
1 stop8h 35mAlaska Airlines
Deal found 6/1$406
Thu 6/206:24 pmBOS - ONT
1 stop8h 35mAmerican Airlines
Sun 6/237:26 pmONT - BOS
2 stops9h 59mAmerican Airlines
Deal found 6/2$411
Sat 6/155:10 pmBOS - ONT
1 stop7h 30mAmerican Airlines
Wed 6/1910:45 pmONT - BOS
1 stop7h 42mAmerican Airlines
Deal found 6/1$431
Sat 6/152:40 pmBOS - ONT
1 stop10h 58mJetBlue
Mon 7/811:59 pmONT - BOS
1 stop9h 52mJetBlue
Deal found 6/1$433
Tue 6/257:59 pmBOS - ONT
1 stop16h 06mAlaska Airlines
Thu 7/47:55 pmONT - BOS
1 stop8h 25mAlaska Airlines
Deal found 6/1$434
Thu 6/131:08 pmBOS - ONT
1 stop8h 29mAmerican Airlines
Mon 6/177:26 pmONT - BOS
2 stops9h 59mAmerican Airlines
Deal found 6/1$436
Thu 6/138:29 amBOS - ONT
2 stops10h 22mAmerican Airlines
Mon 6/177:26 pmONT - BOS
2 stops9h 59mAmerican Airlines
Deal found 6/1$441

Boston to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Boston and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
These are some of the best deals we've found on flights to Ontario in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 9/121:10 pmBOS - ONT
1 stop12h 11mJetBlue
Mon 9/1611:36 pmONT - BOS
1 stop7h 38mJetBlue
Deal found 6/1$248
Thu 8/12:39 pmBOS - ONT
1 stop10h 53mJetBlue
Mon 8/1211:47 pmONT - BOS
1 stop10h 02mJetBlue
Deal found 6/2$274
Thu 7/182:28 pmBOS - ONT
1 stop11h 10mJetBlue
Fri 7/2611:47 pmONT - BOS
1 stop10h 02mJetBlue
Deal found 6/1$275
Tue 8/205:55 amBOS - ONT
1 stop10h 50mAmerican Airlines
Tue 8/2710:46 amONT - BOS
2 stops10h 07mAmerican Airlines
Deal found 6/1$291
Tue 8/204:55 pmBOS - ONT
2 stops10h 03mAmerican Airlines
Tue 8/2710:46 amONT - BOS
2 stops10h 07mAmerican Airlines
Deal found 6/1$296
Thu 7/42:40 pmBOS - ONT
1 stop10h 58mJetBlue
Mon 7/811:59 pmONT - BOS
1 stop9h 52mJetBlue
Deal found 6/2$300
Mon 8/122:39 pmBOS - ONT
1 stop10h 53mJetBlue
Thu 8/1511:47 pmONT - BOS
1 stop10h 02mJetBlue
Deal found 6/2$302
Wed 12/410:12 amBOS - ONT
1 stop10h 40mAmerican Airlines
Wed 12/1111:59 pmONT - BOS
1 stop10h 13mAmerican Airlines
Deal found 6/2$306
Wed 12/411:23 amBOS - ONT
2 stops9h 29mAmerican Airlines
Wed 12/1110:27 amONT - BOS
1 stop9h 34mAmerican Airlines
Deal found 6/2$311

Boston to Ontario flights leaving soon

Find last-minute flight options from Boston to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
Users seeking a last-minute flight from Boston to Ontario should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Sat 6/85:30 pmBOS - ONT
1 stop9h 28mAlaska Airlines
Sat 6/158:20 pmONT - BOS
1 stop8h 35mAlaska Airlines
Deal found 6/1$406
Wed 6/127:15 amBOS - ONT
1 stop11h 11mAlaska Airlines
Thu 6/1310:00 amONT - BOS
1 stop10h 59mAlaska Airlines
Deal found 6/2$486
Tue 6/115:30 pmBOS - ONT
1 stop9h 28mAlaska Airlines
Tue 9/104:28 pmONT - BOS
1 stop10h 16mAlaska Airlines
Deal found 6/2$488
Wed 6/1211:40 amBOS - ONT
1 stop8h 48mUnited Airlines
Fri 8/166:00 amONT - BOS
1 stop8h 05mUnited Airlines
Deal found 6/1$496
Wed 6/121:30 pmBOS - ONT
1 stop10h 18mUnited Airlines
Wed 6/196:25 pmONT - BOS
1 stop8h 35mUnited Airlines
Deal found 6/2$506
Sun 6/96:24 pmBOS - ONT
1 stop8h 35mAmerican Airlines
Fri 6/1410:54 amONT - BOS
1 stop9h 33mAmerican Airlines
Deal found 6/1$511
Sun 6/96:24 pmBOS - ONT
1 stop8h 35mAmerican Airlines
Fri 6/147:26 pmONT - BOS
2 stops9h 59mAmerican Airlines
Deal found 6/1$516
Sat 6/86:10 pmBOS - ONT
1 stop8h 32mDelta
Mon 6/1010:00 pmONT - BOS
1 stop8h 48mDelta
Deal found 6/1$532
Sun 6/97:59 pmBOS - ONT
1 stop16h 06mAlaska Airlines
Sat 6/158:20 pmONT - BOS
1 stop8h 35mAlaska Airlines
Deal found 6/1$564

One-way flights to Ontario from Boston

Search for one-way flight options from Boston to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
If you're seeking multiple options on one-way flights from Boston to Ontario, be sure to check out these deals, which are updated often. Users needing a return flight from Boston to Ontario should utilize the search form above.
Thu 8/152:39 pmBOS - ONT
1 stop10h 53mJetBlue
Deal found 6/1$124
Wed 9/41:10 pmBOS - ONT
1 stop11h 55mJetBlue
Deal found 6/2$130
Sat 8/316:00 amBOS - ONT
1 stop8h 53mAmerican Airlines
Deal found 6/1$143
Thu 7/412:23 pmBOS - ONT
1 stop10h 21mDelta
Deal found 6/1$148
Tue 11/57:00 amBOS - ONT
1 stop11h 20mAlaska Airlines
Deal found 6/1$149
Fri 8/302:39 pmBOS - ONT
1 stop10h 53mJetBlue
Deal found 6/1$150
Thu 7/182:28 pmBOS - ONT
1 stop11h 10mJetBlue
Deal found 6/1$151
Tue 10/81:10 pmBOS - ONT
1 stop12h 11mJetBlue
Deal found 6/1$156
Sat 6/155:10 pmBOS - ONT
1 stop7h 30mAmerican Airlines
Deal found 6/1$163

Find flights from Boston to Ontario within your budget

Customize your flight search to find flights from Boston to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$248 - $557

Route

Depart

Return

Price

Boston Logan IntlOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 9/12

1 stop12h 11m

Ontario

Tue 9/17

1 stop10h 37m

$248

Boston Logan IntlOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 7/11

1 stop11h 10m

Ontario

Mon 7/15

1 stop9h 52m

$274

Boston Logan IntlOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 7/18

1 stop11h 10m

Ontario

Sat 7/27

1 stop10h 04m

$275

Boston Logan IntlOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 8/20

1 stop10h 50m

Ontario

Tue 8/27

2 stops10h 07m

$291

Boston Logan IntlOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 8/20

2 stops10h 03m

Ontario

Tue 8/27

2 stops10h 07m

$296

Boston Logan IntlOntario

BOS - ONT

BOSONT

Boston Logan Intl

Fri 10/4

1 stop8h 56m

Ontario

Mon 10/7

1 stop8h 37m

$329

Boston Logan IntlOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 9/18

1 stop16h 16m

Ontario

Wed 9/25

1 stop10h 49m

$355

Boston Logan IntlOntario

BOS - ONT

BOSONT

Boston Logan Intl

Mon 6/17

1 stop10h 10m

Ontario

Thu 6/20

1 stop8h 30m

$468

Boston Logan IntlOntario

BOS - ONT

BOSONT

Boston Logan Intl

Fri 6/14

1 stop9h 02m

Ontario

Sun 6/16

1 stop7h 30m

$557

Flights are sorted by cheapest first

Deals found on 6/1

How far ahead should I book a flight from Boston to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Ontario. Price data was last updated on May 31, 2024.
The price you pay for your flight from Boston to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 47 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from Boston to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Boston to Ontario. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boston to Ontario flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Boston to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated June 2, 2024.
Read through reviews of airlines operating flights from Boston to Ontario, such as JetBlue, American Airlines and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,949 reviews
Check prices

Crew

8.7

Comfort

8.1

Boarding

8.3

Overall

8.2

Food

7.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
5,949 reviews
Southwest
8.2
Very good
5,949 reviews
Check prices

Crew

8.7

Comfort

8.1

Boarding

8.3

Overall

8.2

Food

7.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.1
Very good
9,198 reviews
Southwest
8.2
Very good
5,949 reviews
Check prices

Crew

8.7

Comfort

8.1

Boarding

8.3

Overall

8.2

Food

7.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
10,402 reviews
Southwest
8.2
Very good
5,949 reviews
Check prices

Crew

8.7

Comfort

8.1

Boarding

8.3

Overall

8.2

Food

7.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

JetBlue
7.6
Good
4,346 reviews
Southwest
8.2
Very good
5,949 reviews
Check prices

Crew

8.7

Comfort

8.1

Boarding

8.3

Overall

8.2

Food

7.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
10,755 reviews
Southwest
8.2
Very good
5,949 reviews
Check prices

Crew

8.7

Comfort

8.1

Boarding

8.3

Overall

8.2

Food

7.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from Boston to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Boston to Ontario for under $300 on Cheapflights?

    Yes, there are multiple flights from Boston to Ontario for under $300. The cheapest flight booked recently is on JetBlue for just $248, but on average you can expect to pay $343.

  • Are there last-minute flights available from Boston to Ontario for under $500?

    There are currently 20+ open flights from Boston to Ontario within the next 7 days for less than $500.

  • What are the cheapest airlines flying from Boston to Ontario round-trip?

    Currently priced at $248, JetBlue will fly you from Boston to Ontario and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $291 and $329, respectively. Users have found that JetBlue is 40% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Boston to Ontario one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $124. Users have also found prices from $143 and $148 on American Airlines and Delta, respectively.

  • What does BOS to ONT mean?

    BOS and ONT are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. BOS to ONT refers to a flight route from Boston Logan Intl Airport to Ontario Airport.

  • Where are the most common layover locations when flying from Boston to Ontario?

    Boston to Ontario flights have a layover in Phoenix most often.

  • What are some popular things to do or see while on a layover in Phoenix?

    Most Phoenix visitors opt to spend their time experiencing Chase Field, Desert Ridge Marketplace, and Orpheum Theater. Chase Field, Desert Ridge Marketplace and Orpheum Theater are located about 4.0 mi, 16.7 mi, and 4.6 mi, respectively from Phoenix Sky Harbor Intl if you are interested in checking them out. Travelers can book a car rental at Phoenix Sky Harbor Intl for about $57 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Boston to Ontario flights?

    Boston to Ontario flights have a layover in Dallas least often.

  • Can I find deals for flights from Boston to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Boston to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Boston to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Boston to Ontario that include hotel bookings?

    Yes. In addition to deals on Boston to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Ontario.

  • Can I find deals for business class flights from Boston to Ontario?

    Yes. Cheapflights offers flight deals from Boston to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Boston to Ontario that allow pets onboard?

    Many airlines flying from Boston to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Boston to Ontario?

    Yes, you can often find last-minute deals on Boston to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Boston to Ontario flight deals updated?

    The Boston to Ontario flight deals you see on this page were last updated on 6/2.

  • What are the most popular airlines that fly from Boston to Ontario?

    Before booking your flight from Boston to Ontario check out the most popular airlines for this route: American Airlines, Alaska Airlines or JetBlue.

  • What is the cheapest month to book a flight from Boston to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Boston to Ontario (average of $238). Flying from Boston to Ontario in July is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Boston to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

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Top 8 airlines flying from Boston to Ontario

Discover the top 8 airlines that operate flights from Boston to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$171Average$171FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
JetBlueCheapest$206Average$305FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Spirit AirlinesCheapest$217Average$315FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Breeze AirwaysCheapest$238Average$404FlexibilityNo cancel feeOn-timeN/A
Search Breeze Airways flights
United AirlinesCheapest$241Average$485FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$276Average$444FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$295Average$426FlexibilityNo cancel feeOn-timeN/A
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Search flights from Boston to Ontario by cabin class

Find flights from Boston to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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How does Cheapflights help users find flights from Boston to Ontario?

Cheapflights helps you search for flights from Boston to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Boston to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Boston.

Can Cheapflights find flights from Boston to Ontario with no change fees?

Certainly. Search results for flights to Ontario from Boston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Boston to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Boston to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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